——What did you say to your grandmother on the phone just now?—— I asked her _______ .
–How long has Mr. Liu taught English? --- _______ 1998.
–Would you like to go to see the film with us? --Sorry, I can’t. Because I ________ it twice.
Scientists think that there has been life on Earth for _______ years.
Don’t make any noise. The baby ________ in the bedroom..
That boy is my good friend. _________ name is Mike.